DONALD W. STEIN, JR.
*** **** ******, **********, ** 80020 720-***-****; *********@*****.***
QUALIFICATIONS PROFILE
• Key Strengths: Extensive work in kernel configuration, tuning and problem resolution. Knowledge
of multiple operating systems and languages. Highly customer focused with over 25 years resolving
critical issues and maintaining strong relationships. Strong ability to analyze and resolve problems
as they relate to entire systems, including disparate hardware and software versions, complex
networks, and user interfaces. In-depth knowledge of C/C++, scripting languages, UNIX, Linux, and
other operating systems. Technical team leadership and exceptional communications skills.
• Major Accomplishments: Successful track record for working with unhappy customers, listening to
and fixing their issues with an end result of gaining happy customers. For platforms used by multiple
application and implemented on multiple Operating Systems analyzed multiple problematic hardware
and software subsystems, designed and implemented software to instrument the systems, provided
the tools to alert on issues and/or run appropriate maintenance routines and provided appropriate
developer and service level training. Invented messaging triage position at AT&T Bell Labs.
Established requirements and constructed development environment for projects, ensuring
developers and integrators had the appropriate tools to be successful. Acted as the contact person
between in-house project teams and outside kernel developers at Red Hat and SCO.
• Significant Projects: Multimedia messaging systems; development of pseudo-device driver for
high precision timing function; 5ESS switch performance and the accompanying human-machine
interface; traffic and regression tools for telecommunications switches; development of client
database system for hospice organization; integration of legacy systems to be accessed at a single
desktop; development of radiation treatment planning systems.
• Technical Knowledge: VMware with vSphere and vCenter, XEN and VirtualBox. Multiple operating
systems with exceptional strength in Linux and UNIX including kernels, kernel tuning and
debugging.. Knowledge of and experience with Agile project development using SCRUMS. Familiar
with most major software and hardware platforms in use from the early 1970s to the present.
Experience with multiple procedural programming languages including assembly; embedded real-
time systems; relational databases; and TCP/IP, Novell IPX/SPX, SAMBA and asynchronous
networks. Specialization in telecommunications and engineering systems and applications.
PROFESSIONAL EXPERIENCE
AVAYA/LUCENT TECHNOLOGIES/AT&T BELL LABS – Westminster, CO
Member of Technical Staff, 1996-2013; Developer for multimedia messaging systems; Tier 4 Engineer; Triage
Engineer
Resident Visitor/Consultant, 1994-1996
Responsibilities include (but are not limited to):
• SCRUM master for new message networking product development
• Working with off-shore development teams to transfer knowledge and train in new technologies and
Avaya processes as well as incorporate them into our geographically disperse development teams.
• Kernel configuration and builds for messaging products
• Identification and resolution of critical kernel and system issues
• Application and platform development
• Performed builds of software loads and developed software tools to package components for
integration into product
• Operating system integration and customization
• Represent messaging teams ton corporate level projects.
• Qualification of hardware for use in messaging systems
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• Development contact for Tier 4 to provide solutions to customer problems
EXCEL PROFESSIONAL SERVICES, INC. – Denver, CO
Consultant, 1992-1994
Client: US West Technologies
Donald W. Stein, Jr.
Responsible for:
• Service Assurance Development Lead and UNIX Integration Lead.
• Network configuration and administration including routers.
• Software configuration, delivery management and installation procedures with supporting software.
• Development, integration, test and deployment of network services operational support systems.
• Evaluation, design, and integration of products for creation of customer data services
• Customer interaction including requirements gathering, coordination of field trials, and product
support.
DIGITAL EQUIPMENT CORPORATION – Denver, CO
Principle Software Specialist, 1991-1992
Responsible for:
• Worked with clients to perform software development, testing and consulting assignments.
• Evaluated clients' needs and generated requirements, functional specification and acceptance test
plan documents.
• Installation, configuration and administration of UNIX and PC systems in stand-alone and network
environments.
• Development and maintenance of custom software applications including client/server.
• Installation and support of software developed by the client.
• Testing software and system performance including tuning software systems, some of which were
client/server.
• Advising clients concerning hardware and software purchases, as well as interviewing and
evaluating potential personnel for the client.
AGS INFORMATION SERVICES, INC. – Denver, CO
Consultant, 1984-1991
Client: Hospice of Metro Denver: Database Consultant and Programmer in FoxBase and Windows
Client: AT&T Bell Labs-Naperville, IL and Denver, CO
Consultant for the 5ESS Operations, Administration and Maintenance (OA&M) Performance Analysis
Group:
• Analyzed the performance of the OA&M software by developing software tools to instrument the
OA&M system and to analyze the data collected.
• Coordinated the implementation of the necessary software changes.
• Coordinated the quality analysis of the human-machine interface software and the necessary
software changes.
• Consultant to the group on UNIX and C questions.
• Development and maintenance of traffic regression test tools for PBXs
Additionally, worked on the following projects:
• Developed network communications software for a new client/server based PBX test system.
• Developed a pseudo-device driver to perform high precision timing functions.
• Systems programming and system administration support for networks of AT&T 3B2 computers and
IBM PC compatibles including printer support.
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• Development of usage and accounting software for the computer network.
Developed a product delivery system used to control the delivery of specific software releases to
the customer.
WASHINGTON UNIVERSITY MEDICAL SCHOOL-St. Louis, MO
Programmer, 1980-1984
MONSANTO COMPANY-St. Louis, MO
Contractor, 1979-1980
EDUCATION:
Washington University – St. Louis, MO; Montana State University – Bozeman, MT
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